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Finding the Fourth Proportional to 99,099.48, 148,611.96 and 39,914.96

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Solution

The fourth proportional to 99,099.48, 148,611.96 and 39,914.96 is: 59,857.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,099.48 : 148,611.96 = 39,914.96 : x
  2. Step 2: Convert to fraction form
    99,099.48/148,611.96 = 39,914.96/x
  3. Step 3: Cross multiply
    99,099.48x = 148,611.96 × 39,914.96
  4. Step 4: Simplify right side
    99,099.48x = 5,931,840,438.92
  5. Step 5: Solve for x
    x = 5,931,840,438.92/99,099.48
  6. Step 6: Final answer
    x = 59,857.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.